Dyfyniad APA

Khalil,Tarek. (1999). Civilization, Modern Technology and Sustainable Development (1.). Institute of National planning.

Dyfyniad Arddull Chicago

Khalil,Tarek. Civilization, Modern Technology and Sustainable Development. 1. Cairo: Institute of National planning, 1999.

Dyfyniad MLA

Khalil,Tarek. Civilization, Modern Technology and Sustainable Development. 1. Institute of National planning, 1999.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.